Chinese lab conducted extensive research on deadly bat viruses, but there is no evidence of accidental release

“Even if a lab is mechanically safe, you can’t rule out human error,” said Lynn Klotz, a senior science fellow at the Center for Arms Control and Non-Proliferation, a Washington nonprofit group, and author of a comprehensive study of lab mishaps. “Accidents happen, and more than 70 percent of the time it’s due to the humans involved.” Read more